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tests/driver_hih6130: test application for drivers/hih6130

dev/timer
Joakim Gebart 8 years ago
parent
commit
d34af3cb0e
  1. 22
      tests/driver_hih6130/Makefile
  2. 7
      tests/driver_hih6130/README.md
  3. 81
      tests/driver_hih6130/main.c

22
tests/driver_hih6130/Makefile

@ -0,0 +1,22 @@
APPLICATION = driver_hih6130
include ../Makefile.tests_common
FEATURES_REQUIRED = periph_i2c
USEMODULE += hih6130
USEMODULE += vtimer
ifneq (,$(TEST_HIH6130_I2C))
CFLAGS += -DTEST_HIH6130_I2C=$(TEST_HIH6130_I2C)
else
# set arbitrary default
CFLAGS += -DTEST_HIH6130_I2C=I2C_0
endif
ifneq (,$(TEST_HIH6130_ADDR))
CFLAGS += -DTEST_HIH6130_ADDR=$(TEST_HIH6130_ADDR)
else
# factory default address
CFLAGS += -DTEST_HIH6130_ADDR=0x27
endif
include $(RIOTBASE)/Makefile.include

7
tests/driver_hih6130/README.md

@ -0,0 +1,7 @@
# About
This is a manual test application for the HIH6130 humidity and temperature sensor.
# Usage
After initialization, the sensor reads the measurement values every 100ms
and prints them to the STDOUT.

81
tests/driver_hih6130/main.c

@ -0,0 +1,81 @@
/*
* Copyright (C) 2015 Eistec AB
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief Test application for the HIH6130 sensor driver
*
* @author Joakim Gebart <joakim.gebart@eistec.se>
*
* @}
*/
#ifndef TEST_HIH6130_I2C
#error "TEST_HIH6130_I2C not defined"
#endif
#ifndef TEST_HIH6130_ADDR
#error "TEST_HIH6130_ADDR not defined"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "vtimer.h"
#include "hih6130.h"
#define SLEEP (100 * 1000U)
int main(void)
{
hih6130_t dev;
puts("HIH6130 sensor driver test application\n");
printf("Initializing I2C_%i... ", TEST_HIH6130_I2C);
if (i2c_init_master(TEST_HIH6130_I2C, I2C_SPEED_FAST) < 0) {
puts("[Failed]");
return -1;
}
puts("[OK]");
printf("Initializing HIH6130 sensor at I2C_%i, address 0x%02x... ",
TEST_HIH6130_I2C, TEST_HIH6130_ADDR);
hih6130_init(&dev, TEST_HIH6130_I2C, TEST_HIH6130_ADDR);
puts("[OK]");
while (1) {
float hum = 0.f;
float temp = 0.f;
int status;
float integral = 0.f;
float fractional;
vtimer_usleep(SLEEP);
status = hih6130_get_humidity_temperature_float(&dev, &hum, &temp);
if (status < 0) {
printf("Communication error: %d\n", status);
continue;
} else if (status == 1) {
puts("Stale values");
}
/* Several platforms usually build with nano.specs, (without float printf) */
/* Split value into two integer parts for printing. */
fractional = modff(hum, &integral);
printf("humidity: %4d.%04u %%",
(int)integral, (unsigned int)abs(fractional * 10000.f));
fractional = modff(temp, &integral);
printf(" temperature: %4d.%04u C\n",
(int)integral, (unsigned int)abs(fractional * 10000.f));
}
return 0;
}
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